News tagged with wind turbines

Sharkskin actually increases drag

On an intuitive level, you'd expect a shark's skin to reduce drag. After all, the purpose of sharkskin-inspired riblets—the micro-grooved structures found in aircraft wings, wind turbine blades and Olympic-class swimsuits—is ...

dateMar 15, 2016 in Soft Matter
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Robots – our new underwater 'astronauts'

Soon it may be easier to design, plan and carry out infrastructure operations in deep water. The EU project called "SWARMs" aims to achieve this by integrating autonomous vehicles such as ROVs and AUVs.

dateSep 28, 2015 in Robotics
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Wind farms perform best when the sun is out

When set up in groups, wind turbines in the front rows cast a wind shadow on those behind them, lowering their performance. These effects dissipate fastest under convective conditions, say EPFL researchers in a recent publication.

dateMar 20, 2015 in General Physics
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